\documentclass{article}

\usepackage{pstricks,pstcol,pst-3d,pst-node,pst-tree,pst-grad,pst-char,pst-plot}

\begin{document}
\begin{pspicture}(0,0)(4,6)

  \rput{0}(0,6){
 	\psframe[fillstyle=solid,fillcolor=white,linewidth=0pt,linestyle=none]
		(-1,-2)(2,2)
	\input{emr.tex}}
%  \rput{0}(0,0){
% 	\psframe[fillstyle=solid,fillcolor=white,linewidth=0pt,linestyle=none]
%		(-1,-2)(2,2)
%	\input{soundwave.tex}}

\end{pspicture}
\end{document}

